The 10 Most Popular Hairstyles

Most popular hairstyles Joan Jett

Joan Jett

Kristen Stewart proves Jett’s mullet is still alive and kicking (she plays the rockstar in “The Runaways”). “This rocker style is edgy and cool. It makes a statement,” Hershberger says. It obviously has enough rebel flare to attract all sorts of celebs, from Scarlett Johansson to Jada Pinkett-Smith.